欧美精品九九99久久在免费线,人妻系列无码专区无码中出,天堂国品一二三产品区别大吗,少妇被水电工侵犯在线播放

NSG series coconut shell granular activated carbon

NSG series coconut shell granular activated carbon

Author: Zhengsen Environmental  |   Hits: 13903

2009616191652.jpg

NSG series coconut shell granular activated carbon is made of high-quality coconut shell, apricot shell and walnut shell by drying, carbonization, activation and post-treatment. It has the characteristics of strong adsorption, large specific surface, low ash and high mechanical strength. It is suitable for air purification, catalyst carrier, precious metal extraction, drinking water purification, solvent recovery and drug decolorization.


PREV:No info

NEXT:GRC series shell granular activated carbon
蜜臀AV无码一区二区三区| 九九久久99综合一区二区| 久久久WWW成人免费毛片| 国产精品JK白丝AV网站| 国产黄大片在线观看画质优化| 精品无码久久久久国产APP|